8669345 has 4 divisors (see below), whose sum is σ = 10403220. Its totient is φ = 6935472.

The previous prime is 8669341. The next prime is 8669351. The reversal of 8669345 is 5439668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3254416 + 5414929 = 1804^2 + 2327^2 .

It is a cyclic number.

It is not a de Polignac number, because 8669345 - 2² = 8669341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8669341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866930 + ... + 866939.

It is an arithmetic number, because the mean of its divisors is an integer number (2600805).

Almost surely, 2^8669345 is an apocalyptic number.

It is an amenable number.

8669345 is a deficient number, since it is larger than the sum of its proper divisors (1733875).

8669345 is a wasteful number, since it uses less digits than its factorization.

8669345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733874.

The product of its digits is 155520, while the sum is 41.

The square root of 8669345 is about 2944.3751459350. The cubic root of 8669345 is about 205.4291624036.

The spelling of 8669345 in words is "eight million, six hundred sixty-nine thousand, three hundred forty-five".